Which of the following is true for `f(x) = sgn(x) xx sin x`

Which of the following functions are periodic? f(x)={|sgn(x)|,x!=01,x=0

Which of the following represents the graph of f(x)=sgn([x+1])

If f(x)=sgn(x^(5)), then which of the following is/are false (where sgn denotes signum function)

If f(x) = sgn(x^5) , then which of the following is/are false (where sgn denotes signum function)

Which of the following statements is incorrect a)xsgn x = |x| b)|x| sgn x = x c)x(sgn x) (sgn x) = x d) |x| (sgn x)^3 = |x|

Sketch the graphs of the following functions: f(x)=sgn(ln x)

Find the range of the following (i) f(x)="sgn"(x^(2)) " (ii) "f(x)="sgn"(x^(2)-2x+3)

Find the range of the following (i) f(x)="sgn"(x^(2)) " (ii) "f(x)="sgn"(x^(2)-2x+3)

Find the range of the following (i) f(x)="sgn"(x^(2)) " (ii) "f(x)="sgn"(x^(2)-2x+3)